BE434150A - - Google Patents
Info
- Publication number
- BE434150A BE434150A BE434150DA BE434150A BE 434150 A BE434150 A BE 434150A BE 434150D A BE434150D A BE 434150DA BE 434150 A BE434150 A BE 434150A
- Authority
- BE
- Belgium
- Prior art keywords
- width
- screen
- weaving
- law
- dimensions
- Prior art date
Links
- 238000009941 weaving Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 7
- 239000011324 bead Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434150A true BE434150A (OSRAM) |
Family
ID=93366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434150D BE434150A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE434150A (OSRAM) |
-
0
- BE BE434150D patent/BE434150A/fr unknown
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